In a ABC - - A -120- - B -60- Find the value of - CA- 40-B- 30-C- 20-D- Can-t be determined

The correct option is D Can't be determined In ABC, ∠ A+∠ B+∠ C=180^∘ [angle sum property] But, ∠ A+∠ B=180^∘. So, ABC can't be formed and the value of ∠ C ca ...

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Byju's Answer

Standard VI

Mathematics

Angle Sum Property of Triangle

In a ABC , ∠ ...

Question

In a $△ A B C, ∠ A = 120^{\circ}, ∠ B = 60^{\circ}$ . Find the value of $∠ C$

$40^{\circ}$

No worries! We‘ve got your back. Try BYJU‘S free classes today!

$30^{\circ}$

No worries! We‘ve got your back. Try BYJU‘S free classes today!

$20^{\circ}$

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Can't be determined

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

Open in App

Solution

The correct option is D
Can't be determined

In $△ A B C,$

$∠ A + ∠ B + ∠ C = 180^{\circ}$ [angle sum property]

But, $∠ A + ∠ B = 180^{\circ}$ .

So, $△ A B C$ can't be formed and the value of $∠ C$ can't be determined

Suggest Corrections

Similar questions

In a $△ A B C, ∠ A = 100^{\circ}, ∠ B = 60^{\circ}$ . Find the value of $∠ C$

Q. In a triangle ABC, O is the centre of incircle PQR,

∠ B A C = 65^{\circ}, ∠ B C A = 75^{\circ}

, find

∠ R O Q

Q. In the triangle ABC, BC = CD and

(∠ A B C - ∠ B A C) = 30^{\circ}

. The measure of

∠ A B D

is :

In the given figure, $∠ A = 60^{\circ}$ and $∠ A B C = 80^{\circ}$ , then $∠ D P C$ and $∠ B Q C$ are respectively ___.

There is a rectangular park whose length is 20 m and width is 10 m. What is the length of the fence surrounding it?

Join BYJU'S Learning Program

In a △ABC, ∠A=120∘, ∠B=60∘. Find the value of ∠C

The correct option is D Can't be determined In △ABC, ∠A+∠B+∠C=180∘ [angle sum property] But, ∠A+∠B=180∘. So, △ABC can't be formed and the value of ∠C can't be determined

In a $△ A B C, ∠ A = 120^{\circ}, ∠ B = 60^{\circ}$ . Find the value of $∠ C$

The correct option is D
Can't be determined

In $△ A B C,$

$∠ A + ∠ B + ∠ C = 180^{\circ}$ [angle sum property]

But, $∠ A + ∠ B = 180^{\circ}$ .

So, $△ A B C$ can't be formed and the value of $∠ C$ can't be determined